package com.edu.app.service.sys.linkservices;

import com.edu.app.bean.linkbeans.SysContractLesson;
import com.edu.app.service.sys.BaseService;


public interface SysContractLessonService extends BaseService<SysContractLesson> {
    SysContractLesson getContractLesson(Integer contract_id, Integer lesson_id);
    Integer deleteContractLessonByContractId(Integer contract_id);
    Integer deleteContractLessonByLessonId(Integer lesson_id);
}
